How do I know if I canned correctly?

Chef's answer
Tap the lid with the bottom of a teaspoon. If it makes a dull sound, the lid is not sealed. If food is in contact with the underside of the lid, it will also cause a dull sound. If the jar is sealed correctly, it will make a ringing, high-pitched sound..
Frequently asked Questions 🎓
Wrong, wrong and wrong. Because frozen food could warm up unevenly, allowing germs to grow, thawing food is a major food safety risk.
Pile more ice on top, letting the water overflow. Insert the thermometer stem at least an inch deep in the ice water without letting the stem touch the glass. Wait for the thermometer to register.
Tap the lid with the bottom of a teaspoon. If it makes a dull sound, the lid is not sealed. If food is in contact with the underside of the lid, it will also cause a dull sound. If the jar is sealed correctly, it will make a ringing, high-pitched sound..
A few more cooking questions 📍